Answer:
Answer B
Explanation:
I really don't know... but I think it's B
Answer: These changes of state are physical changes
Explanation: changes between gas, liquid and solid phases do not alter the chemical or atomic state. Ice, water and water vapour all have the chemical formula H2O.
Answer:
left because its a reactant
Explanation:
Answer:
c 500000
Explanation:
the half was 1000000 so it's 2000000 and 25% of that is 500000
